へいぼんちんぷ 平凡陳腐 LinksSentence search for 平凡陳腐Sentence search for へいぼんちんぷKanji details for 平, 凡, 陳 and 腐Edit in JMdict Noun, Na-adjective (keiyodoshi)1. commonplace and stale; humdrum and hackneyed Discussions Log in to talk about this word.